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How can I block digital (IDEN, TDMA, CDMA, GSM, UMTS) and analog (AMPS, NMT, N-AMPS, TACS, GPS: L1) signals?

Hi! I want to know what product I can use to block those frequencies: 850-925MHz, 894-960MHz, 1500-1990MHz, 1805-2170MHz, both digital and analog standards

Hello Dick!

You have written a lot of different frequency bands in your question! You know, there are not so many jamming devices exist in this world that can deal with so many various frequency ranges simultaneously. I see that there are cell phone bands like GSM or CDMA, many digital and analog standards of communication and even GPS L1 band. All of them must be jammed.

In order to deal with all those frequency bands successfully and at the same time you need a powerful device which can work with many frequency ranges at the same time, and quite effectively. This device is called Multifrequency Analog And Digital Signal Jammer and thus it will definitely help you to maintain the air surrounding you with no wireless signals!

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